Search Results - "Landrum, Peter F"

Passive sampling methods for contaminated sediments: State of the science for organic contaminants by Lydy, Michael J, Landrum, Peter F, Oen, Amy MP, Allinson, Mayumi, Smedes, Foppe, Harwood, Amanda D, Li, Huizhen, Maruya, Keith A, Liu, Jingfu

“…ABSTRACT This manuscript surveys the literature on passive sampler methods (PSMs) used in contaminated sediments to assess the chemical activity of organic…”
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Comparison of Chemical Approaches for Assessing Bioavailability of Sediment-Associated Contaminants by You, Jing, Landrum, Peter F, Lydy, Michael J

“…Two chemical approaches, Tenax extraction and matrix solid-phase microextraction (matrix-SPME), were compared to assess the bioavailability of hydrophobic…”
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Bioavailability-based toxicity endpoints of bifenthrin for Hyalella azteca and Chironomus dilutus by Harwood, Amanda D., Landrum, Peter F., Lydy, Michael J.

“…► Bioavailability-based benchmarks were developed for Hyalella and Chironomus. ► Median lethal and effect concentrations could be developed using SPMEs and…”
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Use of solid phase microextraction to estimate toxicity: Relating fiber concentrations to toxicity-part I by Ding, Yuping, Landrum, Peter F., You, Jing, Harwood, Amanda D., Lydy, Michael J.

“…Use of solid‐phase microextraction (SPME) fibers as a dose metric for toxicity testing was evaluated for hydrophobic pesticides to the midge Chironomus dilutus…”
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Assessing bioavailability and toxicity of permethrin and DDT in sediment using matrix solid phase microextraction by Ding, Yuping, Landrum, Peter F., You, Jing, Lydy, Michael J.

“…Matrix solid phase microextraction (matrix-SPME) was evaluated as a surrogate for the absorbed dose in organisms to estimate bioavailability and toxicity of…”
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The role of desorption for describing the bioavailability of select polycyclic aromatic hydrocarbon and polychlorinated biphenyl congeners for seven laboratory-spiked sediments by Kukkonen, Jussi V. K., Landrum, Peter F., Mitra, Siddhartha, Gossiaux, Duane C., Gunnarsson, Jonas, Weston, Donald

“…Lumbriculus variegatus and Diporeia spp. were exposed to two contaminant pairs 3H‐benzo[a]pyrene (BaP) and 14C‐2,4,5,2′4′,5′‐hexachlorobiphenyl (HCBP), and…”
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Bioaccumulation and critical body residue of PAHs in the amphipod, Diporeia spp.: additional evidence to support toxicity additivity for PAH mixtures by Landrum, Peter F., Lotufo, Guilherme R., Gossiaux, Duane C., Gedeon, Michelle L., Lee, Jong-Hyeon

“…Polycyclic aromatic hydrocarbons (PAHs) are considered to act additively when exposed as congener mixtures. Additive internal concentrations at the site of…”
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Joint toxicity of fluoranthene and pentachlorobenzene to Hyalella azteca and Chironomus dilutus by Schuler, Lance J., Landrum, Peter F., Harwood, Amanda D., Tripp, Elizabeth M., Lydy, Michael J.

“…Nonpolar organic chemicals such as polycyclic aromatic hydrocarbons and chlorobenzenes are expected to act additively when exposed as a mixture. The present…”
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Effects of temperature and salinity on bioconcentration and toxicokinetics of permethrin in pyrethroid-resistant Hyalella azteca by Derby, Andrew P., Huff Hartz, Kara E., Fuller, Neil W., Landrum, Peter F., Reeve, John D., Poynton, Helen C., Connon, Richard E., Lydy, Michael J.

“…Recent studies demonstrated pyrethroid resistance associated with voltage-gated sodium channel mutations in populations of the epibenthic amphipod, Hyalella…”
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The contrasting roles of sedimentary plant-derived carbon and black carbon on sediment-spiked hydrophobic organic contaminant bioavailability to Diporeia species and Lumbriculus variegatus by Kukkonen, Jussi V. K., Mitra, Siddhartha, Landrum, Peter F., Gossiaux, Duane C., Gunnarsson, Jonas, Weston, Donald

“…In bioavailability sudies, the biota sediment accumulation factor (BSAF) is invoked to describethe thermodynamic partitioning of a hydrophobic organic…”
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Influence of Carbon Nanotubes on Pyrene Bioaccumulation from Contaminated Soils by Earthworms by Petersen, Elijah J, Pinto, Roger A, Landrum, Peter F, Weber, Jr, Walter J

“…Increasing production of and application potentials for carbon nanotubes (CNTs) suggest these materials will enter soil and sediment ecosystems in significant…”
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Influence of Polyethyleneimine Graftings of Multi-Walled Carbon Nanotubes on their Accumulation and Elimination by and Toxicity to Daphnia magna by Petersen, Elijah J, Pinto, Roger A, Mai, Danielle J, Landrum, Peter F, Weber, Walter J

“…Modifications of carbon nanotubes (CNTs) for different applications may change their physicochemical properties such as surface charge. Assessments of the…”
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Can SPME Fiber and Tenax Methods Predict the Bioavailability of Biotransformed Insecticides? by Harwood, Amanda D, Landrum, Peter F, Lydy, Michael J

“…Recent studies recognize the ability of chemical techniques such as solid phase microextraction (SPME) fibers and Tenax extraction to predict bioavailability…”
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Sensitivity of aquatic invertebrate resting eggs to SeaKleen® (Menadione): A test of potential ballast tank treatment options by Raikow, David F., Reid, David F., Maynard, Erynn E., Landrum, Peter F.

“…The introduction of aquatic species in resting life stages by the release of ballast water is a less well‐known but potentially important invasive species…”
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Effects of Polyethyleneimine-Mediated Functionalization of Multi-Walled Carbon Nanotubes on Earthworm Bioaccumulation and Sorption by Soils by Petersen, Elijah J, Pinto, Roger A, Zhang, Liwen, Huang, Qingguo, Landrum, Peter F, Weber, Walter J

“…Carbon nanotubes (CNTs) are often modified for different intended potential applications to enhance their aqueous stability or change properties such as…”
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Tenax extraction as a simple approach to improve environmental risk assessments by Harwood, Amanda D., Nutile, Samuel A., Landrum, Peter F., Lydy, Michael J.

“…It is well documented that using exhaustive chemical extractions is not an effective means of assessing exposure of hydrophobic organic compounds in sediments…”
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Tenax extraction of sediments to estimate desorption and bioavailability of hydrophobic contaminants: A literature review by Lydy, Michael J, Harwood, Amanda D, Nutile, Samuel A, Landrum, Peter F

“…ABSTRACT Characterizing sediment‐associated hydrophobic contaminants is problematic, because assessing the total amount of a compound available for chemical…”
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Desorption of Hydrophobic Compounds from Laboratory-Spiked Sediments Measured by Tenax Absorbent and Matrix Solid-Phase Microextraction by You, Jing, Pehkonen, Sari, Landrum, Peter F, Lydy, Michael J

“…Tenax extraction and matrix solid-phase microextraction (matrix-SPME) were used to study desorption of hydrophobic contaminants (HOC) from sediments…”
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Effects of type and quantity of organic carbon on the bioaccessibility of polychlorinated biphenyls in contaminated sediments by Sinche, Federico L., Nutile, Sam A., Huff Hartz, Kara E., Landrum, Peter F., Lydy, Michael J.

“…Organic carbon principally controls sorption and desorption of hydrophobic organic compounds in sediments. We investigated the effects of organic carbon type…”
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Bioavailability and toxicokinetics of polycyclic aromatic hydrocarbons sorbed to sediments for the amphipod Pontoporeia hoyi by Landrum, Peter F

“…The kinetics of the uptake of carbon-14 labelled anthracene, phenanthrene, 2,4,5,2',4',5'-hexachlorobiphenyl (HCB), benzo(a)pyrene (BAP) and tritium labelled…”
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